Definition: In maths, a mean number is an average number. Level: C2
七月的平均气温是25摄氏度。
The ___mean temperature for July was 25°C.
计算平均分有助于找出班级的平均水平。
Calculating the ___mean score helps identify the class average.
调查显示，城市地区的平均收入明显更高。
In the survey, the ___mean income was significantly higher in urban areas.
